<script setup>
import { getCategoryFilterAPI,getSubCategoryAPI } from '@/api/category'
import {useRoute} from "vue-router";
import GoodsItem from '@/views/Home/components/GoodsItem.vue'

// 获取面包屑导航数据
const filterData = ref({})
const route = useRoute();
const getFilterData = async (id) => {
  const res = await getCategoryFilterAPI(id)
  filterData.value = res.result
}
onMounted(() => getFilterData(route.params.id))


// 获取二级分类商品
const goodList = ref([])
const reqData = ref({
  categoryId: route.params.id,
  page: 1,
  pageSize: 20,
  sortField: 'publishTime'
})
const getGoodList = async () => {
  const res = await getSubCategoryAPI(reqData.value)
  console.log(666)
  //console.log(reqData.value)
  goodList.value = res.result.items;
  
  console.log(goodList.value)
}
onMounted(() => getGoodList())
 
 const tabChange=()=>{
    console.log("切换了",reqData.value.sortField);
    reqData.value.page = 1//?重新归位不同选项的第一页
    getGoodList()//重新刷新
 }
 //实现列表无线加载
 const disabled = ref(false);
 //超过一定页数，不进行页面增加,false不禁用
 const load = async()=>{
    reqData.value.page++
    console.log(reqData.value.page)
    const res = await getSubCategoryAPI(reqData.value);
     goodList.value = [...goodList.value,...res.result.items];
    if(res.result.items.length === 0){
      //页面不加载了 
      disabled.value = true
      //设置为true表示不增加页面，true禁用，不增加页面
    }

 }
</script>

<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path: `/category/${filterData.parentId}` }">{{filterData.parentName}}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{filterData.name}}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="sub-container">
      <el-tabs v-model="reqData.sortField" @tab-change="tabChange">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body" v-infinite-scroll="load" :infinite-scroll-disabled="disabled">
        <!--无限加载数据-->
         <!-- 商品列表-->
            <GoodsItem v-for="good in goodList" :good="good" :key="good.id" ></GoodsItem>
      </div>
    </div>
  </div>

</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
</style>